/Engine/Source/Runtime/Slate/Public/Framework/Docking/STabDrawer.h
void Construct ( const [FArguments](API\Runtime\Slate\Framework\Docking\STabDrawer\FArguments) & InArgs, [TSharedRef](API\Runtime\Core\Templates\TSharedRef)< [SDockTab](API\Runtime\Slate\Widgets\Docking\SDockTab) > InTab, [TWeakPtr](API\Runtime\Core\Templates\TWeakPtr)< [SWidget](API\Runtime\SlateCore\Widgets\SWidget) > InTabButton, ETabDrawerOpenDirection InOpenDirection )